Yasu : YSMenu
RetroGameFan : All game fixes from release 4500+ (except mentioned below)
2ch : 0414, 4784, 5225, 5669, 5759, 5770, 5803, 5833, 5865, 5903, 5936, 5976, part fix for 6087 
Rudolph : (J) fixes up to 5508
Elixirdream, CMP Team : Cheats
A Gay Little Catboy : DSONE/i Loader compatibility
Garbaros : M3 Loader compatibility
Any other GBATemp people that helped before Retro started